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Finding the Fourth Proportional to 186,680.70, 280,020.47 and 46,439.33

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Solution

The fourth proportional to 186,680.70, 280,020.47 and 46,439.33 is: 69,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,680.70 : 280,020.47 = 46,439.33 : x
  2. Step 2: Convert to fraction form
    186,680.70/280,020.47 = 46,439.33/x
  3. Step 3: Cross multiply
    186,680.70x = 280,020.47 × 46,439.33
  4. Step 4: Simplify right side
    186,680.70x = 13,003,962,036.44
  5. Step 5: Solve for x
    x = 13,003,962,036.44/186,680.70
  6. Step 6: Final answer
    x = 69,658.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.